deckle

 
Pronunciation: /ˈdɛk(ə)l/

noun

  • (also deckle strap) a device in a papermaking machine for limiting the size of the sheet, consisting of a continuous belt on either side of the wire.
  • a frame on the mould used to shape the pulp when making paper by hand.

Origin:

mid 18th century: from German Deckel, diminutive of Decke 'covering'